AD 2022-06-18 Requires Replacing The Alternative Ventilation Duct Having A Certain Part Number

The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 767-2C series airplanes. This AD was prompted by a report of multiple nuisance caution "RECIRC SMOKE" engine indication and crew alerting system (EICAS) messages that may occur when water accumulates in the alternative ventilation system (AVS) duct. This AD requires replacing the alternative ventilation duct having a certain part number with a new part number, and for certain airplanes, changing the insulation blanket to install the drain hose. This AD also prohibits the installation of an alternative ventilation duct, part number (P/N) 216T2101-704, on any airplane.

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Profile Descent An uninterrupted descent (except where level flight is required for speed adjustment; e.g., 250 knots at 10,000 feet MSL) from cruising altitude/level to interception of a glideslope or to a minimum altitude specified for the initial or intermediate approach segment of a nonprecision instrument approach. The profile descent normally terminates at the approach gate or where the glideslope or other appropriate minimum altitude is intercepted.

"I've obviously been thinking about what this experience will be like for our astronauts, and to experience it myself was a joy. It was 10 times more intense than I thought it would be, or anything that I've ever experienced in my life physically, mentally, emotionally."  Source: Spoken by Gary Lai, the chief architect for the New Shepard NS-20 rode upon during their recent sub-orbital space trip. He was the only unpaid ticket on the trip, generously allowed to experience his handiwork from the customers' side of the launch pad. Lai's journey as an astronaut was an emotional one.